Home / 109,721.25-164,581.94-26,615.25

Finding the Fourth Proportional to 109,721.25, 164,581.94 and 26,615.25

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Solution

The fourth proportional to 109,721.25, 164,581.94 and 26,615.25 is: 39,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,721.25 : 164,581.94 = 26,615.25 : x
  2. Step 2: Convert to fraction form
    109,721.25/164,581.94 = 26,615.25/x
  3. Step 3: Cross multiply
    109,721.25x = 164,581.94 × 26,615.25
  4. Step 4: Simplify right side
    109,721.25x = 4,380,389,545.12
  5. Step 5: Solve for x
    x = 4,380,389,545.12/109,721.25
  6. Step 6: Final answer
    x = 39,922.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.